4pt4

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Crystal structure Analysis of N terminal region containing the dimerization domain and DNA binding domain of HU protein(Histone like protein-DNA binding) from Mycobacterium tuberculosis [H37Rv]Crystal structure Analysis of N terminal region containing the dimerization domain and DNA binding domain of HU protein(Histone like protein-DNA binding) from Mycobacterium tuberculosis [H37Rv]

Structural highlights

4pt4 is a 2 chain structure. This structure supersedes the now removed PDB entry 3c4i. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Related:4dky
Resources:FirstGlance, OCA, RCSB, PDBsum

Publication Abstract from PubMed

The nucleoid-associated protein HU plays an important role in maintenance of chromosomal architecture and in global regulation of DNA transactions in bacteria. Although HU is essential for growth in Mycobacterium tuberculosis (Mtb), there have been no reported attempts to perturb HU function with small molecules. Here we report the crystal structure of the N-terminal domain of HU from Mtb. We identify a core region within the HU-DNA interface that can be targeted using stilbene derivatives. These small molecules specifically inhibit HU-DNA binding, disrupt nucleoid architecture and reduce Mtb growth. The stilbene inhibitors induce gene expression changes in Mtb that resemble those induced by HU deficiency. Our results indicate that HU is a potential target for the development of therapies against tuberculosis.

Targeting Mycobacterium tuberculosis nucleoid-associated protein HU with structure-based inhibitors.,Bhowmick T, Ghosh S, Dixit K, Ganesan V, Ramagopal UA, Dey D, Sarma SP, Ramakumar S, Nagaraja V Nat Commun. 2014 Jun 11;5:4124. doi: 10.1038/ncomms5124. PMID:24916461[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

  1. Bhowmick T, Ghosh S, Dixit K, Ganesan V, Ramagopal UA, Dey D, Sarma SP, Ramakumar S, Nagaraja V. Targeting Mycobacterium tuberculosis nucleoid-associated protein HU with structure-based inhibitors. Nat Commun. 2014 Jun 11;5:4124. doi: 10.1038/ncomms5124. PMID:24916461 doi:http://dx.doi.org/10.1038/ncomms5124

4pt4, resolution 2.04Å

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